Common Materials Used for Roof Flashing

Flashings are thin layers of waterproof metal sheets that cover the joints or angles where a roof comes into contact with other parts of the house. They are set in an overlapping pattern to prevent water entrapment and leakages.

Most roofing specialists choose flashing materials based on several factors. Here are some of their features.

Galvanized Steel

This material is cheap, but not very durable. In fact, it’s mostly just used around the chimneys and in valleys. It can use paint to meld with other structures and roofing of your home. Even so, it’s not recommended in areas with harsh weather conditions. Neither is it advised for homes with lasting roof materials, such as tiles.

Copper and Lead Coated Copper

This is arguably the most durable material on the market. It’s also compatible with most wood preservatives. Copper also requires no painting and other treatments. Copper is the preferred for most flashing applications and storm damage repair.

Lead

It’s soft, easy to bend and one of the oldest materials used for flashing, but there are several health risks associated with it. It’s perfect in areas that need long-lasting protection from water. Lead materials are also durable and usually preferred for chimney flashing.

Aluminum

Aluminum is durable, easy to form and costs less. It is best for a chimney, valley or base flashing. Adding a finish will prevent corrosion when it comes into contact with wood, concrete or cement. It requires an expert roof repair contractor to ensure a watertight seal.

Roof Rolls

This is a soft material that’s easy to install and so does not need special training to install it. It’s often applied in valleys, but is not known for its durability. It’s quite easy to shrink under some conditions and thus rarely used.

Choose Brownstone Roofing for your next roofing project. We look forward to serving you in Louisville, KY, as well as other nearby areas. Contact our team today at (502) 443-9222 to get a free quote on any roofing service.